GB2321640B - Lead-free dense and extra-dense optical barium crown glass - Google Patents

Lead-free dense and extra-dense optical barium crown glass

Info

Publication number: GB2321640B
Authority: GB; United Kingdom
Prior art keywords: dense; extra; lead; free; crown glass
Prior art date: 1997-01-30
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Expired - Fee Related

Application number

GB9727436A

Other versions

GB2321640A8 (en

GB9727436D0 (en

GB2321640A (en

Inventor

Danuta Grabowski

Uwe Kolberg

Alwin Weitzel

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Carl Zeiss AG

Original Assignee

Carl Zeiss AG

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

1997-01-30

Filing date

1997-12-31

Publication date

2000-10-11

1997-12-31 Application filed by Carl Zeiss AG filed Critical Carl Zeiss AG

1998-02-25 Publication of GB9727436D0 publication Critical patent/GB9727436D0/en

1998-08-05 Publication of GB2321640A publication Critical patent/GB2321640A/en

1998-08-10 Publication of GB2321640A8 publication Critical patent/GB2321640A8/en

2000-10-11 Application granted granted Critical

2000-10-11 Publication of GB2321640B publication Critical patent/GB2321640B/en

2017-12-31 Anticipated expiration legal-status Critical

Status Expired - Fee Related legal-status Critical Current

Classifications

- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C3/00—Glass compositions
- C03C3/04—Glass compositions containing silica
- C03C3/076—Glass compositions containing silica with 40% to 90% silica, by weight
- C03C3/089—Glass compositions containing silica with 40% to 90% silica, by weight containing boron
- C03C3/091—Glass compositions containing silica with 40% to 90% silica, by weight containing boron containing aluminium
- C03C3/093—Glass compositions containing silica with 40% to 90% silica, by weight containing boron containing aluminium containing zinc or zirconium
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C3/00—Glass compositions
- C03C3/04—Glass compositions containing silica
- C03C3/062—Glass compositions containing silica with less than 40% silica by weight
- C03C3/064—Glass compositions containing silica with less than 40% silica by weight containing boron
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C3/00—Glass compositions
- C03C3/04—Glass compositions containing silica
- C03C3/076—Glass compositions containing silica with 40% to 90% silica, by weight
- C03C3/095—Glass compositions containing silica with 40% to 90% silica, by weight containing rare earths

Landscapes

Chemical & Material Sciences (AREA)
Life Sciences & Earth Sciences (AREA)
Engineering & Computer Science (AREA)
Chemical Kinetics & Catalysis (AREA)
General Chemical & Material Sciences (AREA)
Geochemistry & Mineralogy (AREA)
Materials Engineering (AREA)
Organic Chemistry (AREA)
Glass Compositions (AREA)

GB9727436A 1997-01-30 1997-12-31 Lead-free dense and extra-dense optical barium crown glass Expired - Fee Related GB2321640B (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE1997103391 DE19703391C1 (en)	1997-01-30	1997-01-30	Lead-free optical heavy and double castor glasses

Publications (4)

Publication Number	Publication Date
GB9727436D0 GB9727436D0 (en)	1998-02-25
GB2321640A GB2321640A (en)	1998-08-05
GB2321640A8 GB2321640A8 (en)	1998-08-10
GB2321640B true GB2321640B (en)	2000-10-11

Family

ID=7818794

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
GB9727436A Expired - Fee Related GB2321640B (en)	1997-01-30	1997-12-31	Lead-free dense and extra-dense optical barium crown glass

Country Status (5)

Country	Link
JP (1)	JP3148175B2 (en)
CN (1)	CN1168682C (en)
DE (1)	DE19703391C1 (en)
FR (1)	FR2760234B1 (en)
GB (1)	GB2321640B (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE102006012116A1 (en) *	2006-03-14	2007-09-20	Schott Ag	Glaser fiber cable
DE102009038812A1 (en) *	2009-08-31	2011-03-10	Uhde Gmbh	High temperature resistant crystallizing glass solders
JP6547995B2 (en) *	2013-04-25	2019-07-24	日本電気硝子株式会社	High refractive index glass substrate
CN105884192B (en) *	2016-04-05	2019-06-25	湖北戈碧迦光电科技股份有限公司	A kind of special glass and its preparation method and use
CN107140824B (en) *	2017-07-03	2019-07-30	成都光明光电股份有限公司	Heavy Lanthanum Flint Optical Glass
CN111204972A (en) *	2020-03-06	2020-05-29	成都光明光电股份有限公司	Optical glass, glass preform, optical element and optical instrument
CN111333316B (en) *	2020-03-06	2022-04-15	成都光明光电股份有限公司	Optical glass, glass preform, optical element and optical instrument
CN111320382A (en) *	2020-03-06	2020-06-23	成都光明光电股份有限公司	Optical glass

Citations (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPH06107424A (en) *	1992-09-25	1994-04-19	Ohara Inc	Optical glass
JPH08119666A (en) *	1994-10-14	1996-05-14	Ohara Inc	Optical glass

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3460954A (en) *	1964-05-21	1969-08-12	Bendix Corp	Bao-nb2o5-sio2 glass compositions for use in fiber-optics
JPS594390B2 (en) *	1977-01-27	1984-01-30	株式会社保谷硝子	optical glass
JPS5814376B2 (en) *	1978-06-06	1983-03-18	株式会社保谷硝子	optical glass
JPS60221338A (en) *	1984-04-12	1985-11-06	Ohara Inc	Optical glass
JP2535407B2 (en) *	1989-05-31	1996-09-18	ホーヤ株式会社	Optical glass
JP3195789B2 (en) *	1990-05-29	2001-08-06	ホーヤ株式会社	Optical glass and molded products
JP2795326B2 (en) *	1991-04-05	1998-09-10	株式会社オハラ	Optical glass
JP2565813B2 (en) *	1991-07-05	1996-12-18	株式会社オハラ	Optical glass
DE19631581C1 (en) *	1996-08-05	1997-11-27	Schott Glaswerke	Barium flint glass used in optical applications

1997
- 1997-01-30 DE DE1997103391 patent/DE19703391C1/en not_active Expired - Lifetime
- 1997-12-31 GB GB9727436A patent/GB2321640B/en not_active Expired - Fee Related
1998
- 1998-01-27 CN CNB981059457A patent/CN1168682C/en not_active Expired - Lifetime
- 1998-01-29 JP JP03034598A patent/JP3148175B2/en not_active Expired - Lifetime
- 1998-01-29 FR FR9800963A patent/FR2760234B1/en not_active Expired - Fee Related

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPH06107424A (en) *	1992-09-25	1994-04-19	Ohara Inc	Optical glass
JPH08119666A (en) *	1994-10-14	1996-05-14	Ohara Inc	Optical glass

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
WPI abstract 94-163742 & JP 06 107 424 A *
WPI abstract 96-283231 & JP 08 119 666 A *

Also Published As

Publication number	Publication date
FR2760234B1 (en)	2000-02-25
GB2321640A8 (en)	1998-08-10
JP3148175B2 (en)	2001-03-19
GB9727436D0 (en)	1998-02-25
DE19703391C1 (en)	1998-02-26
CN1197042A (en)	1998-10-28
CN1168682C (en)	2004-09-29
JPH10212133A (en)	1998-08-11
FR2760234A1 (en)	1998-09-04
GB2321640A (en)	1998-08-05

Publication	Publication Date	Title
GB2331813B (en)	2000-06-07	Combination of optical elements
GB2317611B (en)	2000-06-21	Heat-resistant glass composition
GB9319450D0 (en)	1995-03-08	Transparent glass ceramic
AU5197898A (en)	1998-05-29	Optical glass
IL120694A (en)	2000-11-21	Low transmittance glass
HUP0100307A3 (en)	2001-06-28	Privacy glass
GB2303578A8 (en)	1997-03-10	Burglar-proofing glass
HU9602087D0 (en)	1996-09-30	Glass composition
GB9713169D0 (en)	1997-08-27	Glass frit
GB9614462D0 (en)	1996-09-04	Optical glass and waveguide devices
GB9324616D0 (en)	1994-01-19	Designs on glass
GB2320023B (en)	2000-10-04	Lead-free crown glass
GB2321640B (en)	2000-10-11	Lead-free dense and extra-dense optical barium crown glass
HUP9600148A3 (en)	1999-01-28	Glass composition
EP1001914A4 (en)	2000-05-24	Glass composition and optical device made therefrom
GB2328937B (en)	2001-05-30	Lead-free optical barium flint glass
GB2290080B (en)	1997-09-17	Glass forehearth
ZA985760B (en)	1999-01-27	Glass composition of the silica-soda-lime-type
HUT74862A (en)	1997-02-28	Glass
GB2318576B (en)	2000-03-15	Lead-free optical light flint and double-light flint glasses
GB9716249D0 (en)	1997-10-08	Glass
AU132688S (en)	1998-01-13	Glass
GB9708564D0 (en)	1997-06-18	Glass compositions660449001
EP0929827A4 (en)	2000-11-22	Strengthened optical glass filter
CA74225S (en)	1994-05-12	Glass shade

Legal Events

Date	Code	Title	Description
2006-08-23	PCNP	Patent ceased through non-payment of renewal fee	Effective date: 20051231